May 24th, 2013
07:10 PM ET

Hackers appear to probe U.S. energy infrastructure, suspicions about Iran

By Chris Lawrence

The United States is investigating "a string of malicious" cyber incidents that appear to be focused on probing energy infrastructure, a U.S. official familiar with the latest intelligence tells CNN.

The official, who spoke anonymously due to the sensitivity of the information, said the suspected hacking did not appear to be intended to steal trade secrets or exploit technology for commercial reasons. It appeared to be aimed at identifying weaknesses in fuel and electrical systems in the United States.

While the official did not identify any suspected origins of the apparent hacking, a U.S. lawmaker raised suspicions about Iran.

The United States has over the past year become more concerned about Iran and cyber security.

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